An curved arrow pointing right. NASA's Cassini spacecraft is on a daredevil mission that is taking it closer to the planet Saturn than it has been in over a decade. In December, the spacecraft ...

Rhea’s remarkably circular and ... building on the foundations laid by missions like Cassini and the latest computational models. Saturn’s rings stand as a testament to the dynamic processes ...

This is a world of unique complexity, made up of a central body and its satellites, not to mention the famous ring surrounding the planet at its equator. Saturn is also being orbited by a man-made ...

This illustration shows NASA's Cassini spacecraft about to make one of its dives between Saturn and its innermost rings as part of the mission's grand finale. All ...